import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '@/components/Login'
const Login = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')

// import Home from '../components/Home'
const Home = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')

// import Welcome from '../components/Welcome'
const Welcome = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')


// import Users from '../components/user/Users'
const Users = () =>
    import ( /* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')

// import Rights from '../components/power/Rights'
const Rights = () =>
    import ( /* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')

// import Roles from '../components/power/Roles'
const Roles = () =>
    import ( /* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')


// import Cate from '../components/goods/Cate'
const Cate = () =>
    import ( /* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')

// import Params from '@/components/goods/Params'
const Params = () =>
    import ( /* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')


// import List from '@/components/goods/List'
const List = () =>
    import ( /* webpackChunkName: "GoodsList_Add" */ '../components/goods/List.vue')

// import Add from '@/components/goods/Add'
const Add = () =>
    import ( /* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add.vue')

// import Order from '@/components/order/Order'
const Order = () =>
    import ( /* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')

// import Report from '@/components/report/Report'
const Report = () =>
    import ( /* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        // 给Login加地址重定向，当访问斜线时，地址重定向到'/login'，进入到Login组件
        {
            path: '/',
            redirect: '/login'
        },
        {
            path: '/login',
            component: Login
        },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [{
                path: '/welcome',
                component: Welcome
            }, {
                path: '/users',
                component: Users
            }, {
                path: '/rights',
                component: Rights
            }, {
                path: '/roles',
                component: Roles
            }, {
                path: '/categories',
                component: Cate
            }, {
                path: '/params',
                component: Params
            }, {
                path: '/goods',
                component: List
            }, {
                path: '/goods/add',
                component: Add
            }, {
                path: '/orders',
                component: Order
            }, {
                path: '/reports',
                component: Report
            }]
        }
    ]
})

// 给login和其他组件设置路由守卫login可以直接访问，其他组件需要先判断是否有token值再做进一步处理
router.beforeEach((to, from, next) => {
    if (to.path === '/login') return next();
    const tokenFlag = window.sessionStorage.getItem('token');
    if (!tokenFlag) return next('/login');
    next();
})
export default router